EGGR 283

Other names: 2248+293, LHS 529

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 22 51 22.83
Declination 29 39 43.99
Spectral type DA9 DA8.1
Effective temperature [K] 5592.0
log(g) [cgs] 7.55
Mass [M☉] 0.36
log(Luminosity) [L☉]
Cooling age [Gyr] 1.6100
log(H/He)
log(C/He)
log(Ca/He)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Ca/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 47.80 47.80
Distance [pc] 20.92 20.92
Composition H
Proper motion (right ascension) [mas/yr] 1250.0
Proper motion (declination) [mas/yr] 137.0
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 16.22
V magnitude 15.55 15.55
R magnitude 15.10
I magnitude 14.30
J magnitude 14.32
H magnitude 13.98
K magnitude 13.94
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

* Constant surface field

Special notes:

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.